Reverse Proxy


A reverse proxy is a type of a proxy server which sits in front of the actual server (to which the requests are intended to be sent). A Reverse proxy accepts requests from the client and forwards the requests to the actual server. Typically, the reverse proxy server resides in a DMZ. The client would never know that it is sending requests to a reverse proxy server (whereas in the case of a proxy server pattern, the client is cognizant of the fact that it is communicating with a Proxy and not the actual server).

Why do we need a Reverse Proxy?

A Reverse proxy is generally used for a variety of purposes as mentioned below:

  1. Load balancing
  2. To implement Gateways
  3. To implement security
  4. To implement caching

Reference Implementations:

Apache server, Nginx server or a Custom implementation.

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